Need help getting the answers for each question.

1. The Robinson Company from Problem 2 had net sales of $1,200,000 in 2010 and $1,300,000 in 2011.

a. Determine the receivables turnover in each year.
b. Calculate the average collection period for each year.
c. Based on the receivables turnover in 2010, estimate the investment in receivables if net sales were $1,300,000 in 2011.
d. How much of a change in the 2011 receivables occurred?

2. Suppose the Robinson Company had a cost of goods sold of $1,000,000 in 2010 and $1,200,000 in 2011.

a. Calculate the inventory turnover for each year. Comment on your findings.
b. What would have been the amount of inventories in 2011 if the 2010 turnover ratio had been maintained?